/Engine/Plugins/Media/PixelStreaming/Source/PixelStreaming/Public/IPixelStreamingSignallingConnectionObserver.h
void OnSignallingPlayerConnected ( [FPixelStreamingPlayerId](API\Plugins\PixelStreaming\FPixelStreamingPlayerId) PlayerId, const [FPixelStreamingPlayerConfig](API\Plugins\PixelStreaming\FPixelStreamingPlayerConfig) & PlayerConfig, bool bSendOffer )